Early science fiction writers and mid-20th-century engineers envisioned solar power satellites, but economic and technical barriers stalled progress for decades. Elon Musk and Jeff Bezos have revived ...

Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed using a ...

The plans being weighed by the president go beyond those he considered weeks ago amid widespread protests against Iran’s government. By Tyler Pager Julian E. Barnes Eric Schmitt David E. Sanger and ...

The possibility of snow in Tampa, Fla. Record heat and fires in Australia. Scientists say climate change is exacerbating weather extremes. By David Gelles On a typical winter day, the Arctic air that ...

Google is empowering its Chrome browser with the ability to alter imagery and a virtual assistant to help with online tasks as part of its push to turbocharge its digital services with more artificial ...

Seven industry partners have been invited to bring forward their designs for the futuristic drones, which will accompany British Army helicopters in future battles. Known as Project NYX, the programme ...